Chemistry | Summary | |
Breaking Down Water into Hydrogen and Oxygen Using Electricity.pdf | Discover the process of electrolysis. Calculate the densities of pennies from three different date groups; 1962 to 1981, 1982, and 1983 to present. Also, calculate the percentages of copper and zinc in each group. |
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Common Cents.pdf | ||
Creating Clay for Testing.pdf | Make clay, then use physical and chemical tests to verify its specific components. | |
Electrical Charges in Colloidal Solutions.pdf | Investigate the electrochemical process called electrophoresis to show how electrically charged particles can be separated from a colloidal solution. | |
Electrographic Metal Detection.pdf | Create an electrographic apparatus to identify the presence of different metals in known and unknown samples. | |
Hit or Miss- How Large Is a Penny?.pdf | Use direct and indirect measurement techniques to calculate the area of a single penny. | |
Household Chemistry.pdf | Identify physical and chemical reactions in common household substances. | |
How Acidic Is Your Rainwater?.pdf | Measure the pH of rainwater | |
How Much Sugar Is in Your Chewing Gum?.pdf | Construct a simple balance to determine the percentage of sugar by weight in a stick of chewing gum. | |
Ice Cream Lab.pdf | Learn how to lower the freezing point of a substance while making ice cream. | |
Make Your Own Hot and Cold Packs.pdf | Use knowledge of endothermic and exothermic reactions to create hot and cold packs from common household substances. | |
Optical Rotation by Sugars.pdf | Construct a simple version of a polarimeter and use it to see how the optical activity of a sugar can help to identify it. | |
Plant Indicators for Acids and Bases.pdf | Use acid-base indicators prepared from blueberries, radish skins, and red cabbage to estimate pH values of standard and unknown solutions. | |
Popcorn Density.pdf | Compare the density of popped and unpopped popcorn. | |
Quick Freeze.pdf | Discover how adding salt to water changes its freezing point and the time necessary for different substances to freeze. | |
Separating Substances into Ions in Solution.pdf | See how Arrhenius showed that the freezing point depression caused by a substance depends on the number of ions produced by that substance when it dissolves. | |
Supersleuthing with Chromatography.pdf | Using a technique called paper chromatography, separate pigments from various ink pens then use the collected data to determine the mystery author of a robbery note. | |
Test Tube Mystery.pdf | Identify ten different chemical compounds by reacting them with each other, observing the results, and then comparing the results with the known characteristics of some common chemicals. | |
The Chemical Properties of Marble.pdf | Study the chemical properties of marble and determine why it is damaged by acid rain. | |
The Story of Milk.pdf | Analyze the density, water content, precipitates, caloric value, and lactic acid concentrations found in milk. | |
The Thermodynamics of a Rubber Band.pdf | Observe how polymers change when exposed to heat. Use observations to validate the first and second laws of thermodynamics | |
Using Paper Chromatography to Separate Ink.pdf | Use paper chromatography to identify pigments of different colored marker pens (including black) and calculate the Rf value of each color. |